From 89b7b67a13ebb7965cc7f13ad0595e2194a2d34c Mon Sep 17 00:00:00 2001
From: Jannis Hoffmann <jannis@fehcom.de>
Date: Wed, 3 Jul 2024 15:48:04 +0200
Subject: add sqmail-4.2.29a

---
 src/qmail-recipients.c | 77 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 src/qmail-recipients.c

(limited to 'src/qmail-recipients.c')

diff --git a/src/qmail-recipients.c b/src/qmail-recipients.c
new file mode 100644
index 0000000..058994a
--- /dev/null
+++ b/src/qmail-recipients.c
@@ -0,0 +1,77 @@
+#include <unistd.h>
+#include <sys/stat.h>
+#include "logmsg.h"
+#include "stralloc.h"
+#include "buffer.h"
+#include "getln.h"
+#include "exit.h"
+#include "open.h"
+#include "case.h"
+#include "auto_qmail.h"
+#include "cdbmake.h"
+
+#define WHO "qmail-recipients"
+
+int rename(const char *,const char *); // stdio.h
+
+void die_read()
+{
+  logmsg(WHO,111,ERROR,"unable to read users/recipients");
+}
+void die_write()
+{
+  logmsg(WHO,111,ERROR,"unable to write to users/recipients.tmp");
+}
+
+char inbuf[1024];
+buffer b;
+
+int fd;
+int fdtemp;
+
+struct cdb_make cdb;
+stralloc line = {0};
+stralloc key  = {0};
+int match;
+
+int main()
+{
+  umask(033);
+  if (chdir(auto_qmail) == -1)
+    logmsg(WHO,110,ERROR,B("unable to chdir to: ",auto_qmail));
+
+  fd = open_read("users/recipients");
+  if (fd == -1) die_read();
+
+  buffer_init(&b,read,fd,inbuf,sizeof(inbuf));
+
+  fdtemp = open_trunc("users/recipients.tmp");
+  if (fdtemp == -1) die_write();
+
+  if (cdb_make_start(&cdb,fdtemp) == -1) die_write();
+
+  for (;;) {
+    stralloc_copys(&key,":");
+    if (getln(&b,&line,&match,'\n') != 0) die_read();
+    while (line.len) {
+      if (line.s[line.len - 1] == ' ') { --line.len; continue; }
+      if (line.s[line.len - 1] == '\n') { --line.len; continue; }
+      if (line.s[line.len - 1] == '\t') { --line.len; continue; }
+      if (line.s[0] != '#' && stralloc_cat(&key,&line)) {
+        case_lowerb(key.s,key.len);
+        if (cdb_make_add(&cdb,key.s,key.len,"",0) == -1)
+          die_write();
+      }
+      break;
+    }
+    if (!match) break;
+  }
+
+  if (cdb_make_finish(&cdb) == -1) die_write();
+  if (fsync(fdtemp) == -1) die_write();
+  if (close(fdtemp) == -1) die_write(); /* NFS stupidity */
+  if (rename("users/recipients.tmp","users/recipients.cdb") == -1)
+    logmsg(WHO,111,ERROR,"unable to move users/recipients.tmp to users/recipients.cdb");
+
+  _exit(0);
+}
-- 
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